The Swimline 24 Foot Round Above Ground Pool Winter Cover keeps your pool in tip top shade during the off seasons. Not only does it keep your pool in stellar condition, but it prevents debris from getting in so when the season rolls back around, you can get back into the swim of things easier and with less maintenance. It's constructed of laminated polyethylene sheeting and woven with thick, high density stitching to ensure strength and durability year after year. It features a ratchet and cable system with high tested vinyl coated cable and provides maximum resistance to damaging Uv rays to prevent deterioration. Swimming pools are too fun to not be taken care of. Get this Swimline Winter Cover and your pool will be all ready when you're ready to swim again.